Автор:Chris Brogan, Julien Smith Год: 2013 Издание:Penguin Books Ltd. Страниц: 276 ISBN: 9780670922406 In The Impact Equation, Brogan and Smith show that to make people truly care about what you have to say, you need more than just a good idea, trust among your audience, or a certain number of followers. You need a potent mix of all of the above and more.